Each day that a library book is kept past it's due date, a $0.75 fee is charged. the total cost of
the fees can be represented by the equation f(x) = 0.75%.
a. can someone have zero past due days? what does that mean for the x-values?
b. can someone have partial past due days? what does that mean for the x-values?
d. is the function discrete or continuous?
c. is the function discrete or continuous?